U 准确（性）；精确（度） the state of being exact or correct; the ability to do sth skillfully without making mistakes

　achieve ～　达到精确
　attain ～　达到精确
　check the ～ of　检验…的准确性
　combine speed and ～　速度和精确度相结合
　doubt the ～ of　怀疑…的正确性
　test the ～　检验正确性
　absolute ～　绝对准确
　amazing ～　令人吃惊的准确
　considerable ～　相当准确
　deadly ～　极度准确
　extreme ～　极大的准确性
　grammatical ～　语法上的正确性
　historical ～　历史的准确性
　over-all ～　全部精确度
　reasonable ～　尚属准确
　relative ～　相对准确
　remarkable ～　非常准确
　satisfactory ～　符合要求的精度
　scientific ～　科学般的准确
　strict ～　极其准确
　syntactical ～　句法上的正确性
　technical ～　技术上的准确性
　tolerable ～　尚属准确
　total ～　全部精确度
　with ～　精确地
　with mathematical ～　以数学的精确性
　with pinpoint ～　准确到不差分毫
　～ in thought　思考的正确性
　～ of 　…的精确性
　～ of account　叙述的准确性
　～ of a report　一篇报告的准确性
　～ of reading　读数精度
　～ to size　尺寸精确度

　Her accuracy with the gun surprised everyone.　她的枪法准确，使大家都惊讶。
　It was an important suit, and great accuracy was imperative.　这是一宗很重要的诉讼案，有必要搞得很准确度。
　Hazard has such accuracies.　贸然一试也会如此准确。
　I admired the speed and accuracy with which she typed.　我佩服她打字的速度和准确度。
　You should check the accuracy of the data.　你应当核对一下这些数据的准确性。
　There is need to check the accuracy of the report.　有必要核实一下该报告的准确性。
　I doubt the accuracy of your statement.　我怀疑你的话的正确性。
　They questioned the accuracy of the information in the file.　他们怀疑档案中信息的正确性。
　To achieve accuracy, errors or their repetition must be avoided.　要达到精确，必须避免错误或重复出错。
　The accuracy of the reports cannot be verified.　报道的准确性无从核实。
　The general accuracy of the account could hardly be doubted.　这一账目的一般准确性几乎无可怀疑。
　He aims at great accuracy.　他力求十分准确。
　The Times has a reputation for accuracy. 　《泰晤士报》以报道准确著称。
　The computer can predict changes with a surprising degree of accuracy.　计算机可以惊人的准确度预测变化。
　The report is of doubtful accuracy.　这份报告的准确程度值得怀疑。
　Candidates are judged on technical accuracy as well as artistic expression.　参赛者的成绩是根据技术精确程度及艺术表现能力来评定的。
　Arithmetic problems must be solved with accuracy.　解算术题必须精确。
　Maps should be drawn with remarkable accuracy.　地图的绘制必须非常精确。
　She hits the ball with great accuracy.　她击球十分准确。
　The statement is prepared with satisfactory accuracy.　这份声明的准确性令人满意。

　［词源］拉丁语accurate（准确）